Table 4.

Characteristics of NB patients.

#	Age at diagnosis(months)	BM infiltration(% NB cells)	Stage	MYCN status	Relapse	Time of relapse(months)	Follow-up	Time of follow-up(months)
1	42	<10	M	gain	yes	5.3	alive	45.2
2	72	<10	M	single copy	no		alive	49.8
3	1	<10	Ms	single copy	no		alive	42.2
4	46	<10	M	single copy	yes	27.4	alive	34.9
5	21	<10	M	amplified	no		alive	56.9
6	20	>10	M	amplified	no		alive	59.4
7	36	>10	M	single copy	yes	24.7	dead	48.8
8	17	>10	M	amplified	yes	11.4	dead	18.1
9	9	<10	M	single copy	no		alive	34.5
10	26	<10	M	gain	no		alive	46.0
11	3	<10	Ms	amplified	N.A.		N.A.
12	52	>10	M	amplified	N.A.		N.A.
13	32	<10	M	-	N.A.		N.A.
14	2	>10	L2	single copy	N.A.		N.A.
15	46	>10	L2	single copy	N.A.		N.A.
16	11	>10	M	single copy	N.A.		N.A.
17	39	<10	M	-	N.A.		N.A.
18	18	<10	L2	single copy	N.A.		N.A.
19	4	>10	Ms	single copy	N.A.		N.A.
20	8	<10	Ms	gain	N.A.		N.A.
21	39	<10	L2	-	N.A.		N.A.
22	16	>10	M	single copy	N.A.		N.A.
23	140	>10	M	single copy	N.A.		N.A.
24	4	>10	M	single copy	N.A.		N.A.
25	53	<10	M	single copy	N.A.		N.A.
26	34	<10	L	single copy	N.A.		N.A.
27	140	<10	M	-	N.A.		N.A.